| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | National Exchange Bank and Trust | Bank | 11 | $1.33B | 37.61% |
| 2 | Horicon Bank | Bank | 3 | $244.9M | 6.94% |
| 3 | U.S. Bank National Association | Bank | 3 | $237.0M | 6.72% |
| 4 | BMO Bank National Association | Bank | 2 | $202.9M | 5.75% |
| 5 | Fox Valley Savings Bank | Bank | 1 | $194.4M | 5.51% |
| 6 | JPMorgan Chase Bank, National Association | Bank | 1 | $162.1M | 4.59% |
| 7 | Bank First, N.A. | Bank | 1 | $155.4M | 4.40% |
| 8 | Associated Bank, National Association | Bank | 2 | $150.4M | 4.26% |
| 9 | Bristol Morgan Bank | Bank | 3 | $150.2M | 4.26% |
| 10 | Marine Credit Union | Credit union | 3 | $141.0M* | 4.00% |
| 9 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $3.53B | 19 | 40 | National Exchange Bank and Trust | 37.6% | 1,704 |
| 2025 | $3.48B | 18 | 39 | National Exchange Bank and Trust | 40.5% | 1,919 |
| 2024 | $3.38B | 18 | 39 | National Exchange Bank and Trust | 39.6% | 1,858 |
| 2023 | $3.35B | 19 | 43 | National Exchange Bank and Trust | 38.6% | 1,780 |
| 2022 | $3.07B | 17 | 43 | National Exchange Bank and Trust | 39.4% | 1,887 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.